Target mass corrections and twist-3 in the nucleon spin structure functions

Details Target mass corrections and twist-3 in the nucleon spin structure functions Target mass corrections and twist-3 in the nucleon spin structure functions

2007-07-03

arxiv.org/abs/0707.0331v2

Phys.Lett.B653:18-22,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 1 figures

Scientific paper

10.1016/j.physletb.2007.07.022

The Nachtmann moment is employed to study the contribution of twist-3 operator to the nucleon spin structure functions. Target mass corrections to the Cornwall-Norton moments of the spin structure functions $g_{1,2}$ are discussed. It is found that the corrections play a sizeable role to the contribution of the twist-3 $\tilde d_2$ extracted from the Cornwall-Norton moments.

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